好词典

elastic

UK //ɪˈlæs.tɪk//US //ɪˈlæs.tɪk//

词源

源自17世纪法语词汇 'élastique',来自希腊语 'elastos'(意为可锻造的,有延展性的),最终源于 'elaunein'(意为驱动,击打)。

adjective

❶ 形容物体能够被拉伸后恢复原状的性质,通常指橡胶、松紧带等材料的物理特性。

“The elastic band snapped when I stretched it too far.”

(我把橡皮筋拉得太长时它突然断了。)

“Her pants have an elastic waistband for comfort.”

(她的裤子腰部有松紧带,穿起来很舒服。)

❶ 形容规则、计划等具有灵活可变通的特点,能够根据情况调整而不僵化。

“The company has an elastic policy regarding working hours.”

(这家公司的工作时间政策很有弹性。)

“We need an elastic approach to deal with these unpredictable situations.”

(我们需要灵活的方法来应对这些不可预测的情况。)

同义词:flexible, stretchy, adaptable, resilient, pliable

noun

❶ 指具有弹性的材料,尤指用于固定物品的橡皮筋或松紧带。

“She tied her hair back with a piece of elastic.”

(她用一根橡皮筋把头发扎起来。)

“The tailor used elastic to make the waistband adjustable.”

(裁缝用松紧带使腰带可以调节。)

同义词:rubber band, stretch band, bungee, elastic band

常见短语

elastic limit — 材料在保持弹性的前提下能够承受的最大拉伸程度,超过此限度将导致永久变形。

“The bridge was designed to withstand forces well below its elastic limit.”

(这座桥的设计承重远低于其弹性极限。)

elastic demand — 经济学概念,指价格变动会显著影响需求量的商品或服务需求特性。

“Luxury goods typically have elastic demand as people buy less when prices rise.”

(奢侈品通常具有弹性需求,因为价格上涨时人们会减少购买。)